After four years, it appears the U.S. construction market has bottomed out and is beginning the slow climb out of recession. For many large U.S. design firms, this development is cause for both relief and celebration. But for other design firms, particularly in the public infrastructure markets, uncertainty about the future remains a constant.
Because it can moderate the damaging effects of earthquakes, base-isolation is a technique used primarily in seismically active regions. ENR takes a look at some of the largest applications of base-isolation technologies in the world.